Megalancistrus parananus (L 113)

Peters, 1881
Megalancistrus parananus (L 113)
according to the origin Río Paraná
Pterygoplichthys parananus
has Ancistrus gigas
has Chaetostomus aculeatus
has Chaetostomus gigas
has Megalancistrus aculeatus
has Megalancistrus gigas
Vieja del agua espinosa
Megalancistrus parananus (L 234)
Length (total)
approx.  80 cm
Recommended tank size
300 cm
20 - 27 °C
6.0 - 8.0
Rio Paraná, río Paraguay, río Uruguay

Altó Paraná, Itapúa, Misiones, Ñeembucú, Central, Cordillera, San Pedro, Concepción, Presidente Hayes, Rio Grande do Sul, Iguaçu, Paraná, Formosa, Chaco, Santa Fe, Entre Rios,Corrientes, Artigas, Salto, Paysandú, Rio Negro, Soriano

Argentinia, Brazil, Paraguay, Uruguay

Río de la Plata
Map to Megalancistrus parananus (L 113)
Nutrition (mostly): carnivore
Eats plants
not known
Keeping in (small) groups is recommended. Individual keeping is possible.
from genus: look to head and body shape
I / 5 rays
slightly convex - later slightly incised / concave, pointed
little longer at the bottom than at the top
dark dots
I / 11 rays
6 soft rays
5 soft rays
Sympatric with
Not on the positive list of Brazil in 2012 : The positive list of Brazil
On the negative list of Brazil from 2020 : The negative list of Brazil
last seen on a
german stock list
  • Reis, R.E., Kullander, S.O. & Ferraris, C.J., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 390
  • Seidel, Ingo "Back to Nature - Handbuch für L-Welse"  edition: 1 (2008) P.142
  • I. Seidel / H.-G. Evers "Welsatlas 2"  edition: 1 (2005) P.66
  • A. Werner / W. Lechner / Dr. J. Schmidt "Miniatlas L-Welse"  edition: 1 (2005) P.104
Pic. 2: Megalancistrus parananus (L 113)
Pic. 3: Megalancistrus parananus (L 113)
Pic. 4: Megalancistrus parananus (L 113)
Pic. 5: Megalancistrus parananus (L 113)
Pic. 6: Megalancistrus parananus (L 113)
Pic. 7: Megalancistrus parananus (L 113)
Pic. 8: Megalancistrus parananus (L 113)
Many thanks to
for the pictures
Sandra Udrizar
1, 2, 3
Please help with your pictures and information to complete the database: datenbank(at)

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